Reimplement dynamic frame alignment for frames that are compiled via OSR or have more than 2 double…

src/hydrogen.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 663 matching lines @@
 }
 
 
 HGraph::HGraph(CompilationInfo* info, Zone* zone)
     : isolate_(info->isolate()),
       next_block_id_(0),
       entry_block_(NULL),
       blocks_(8, zone),
       values_(16, zone),
       phi_list_(NULL),
-      zone_(zone) {
+      zone_(zone),
+      is_recursive_(false) {
   start_environment_ =
       new(zone) HEnvironment(NULL, info->scope(), info->closure(), zone);
   start_environment_->set_ast_id(AstNode::kFunctionEntryId);
   entry_block_ = CreateBasicBlock();
   entry_block_->SetInitialEnvironment(start_environment_);
 }
 
 
 Handle<Code> HGraph::Compile(CompilationInfo* info, Zone* zone) {
   int values = GetMaximumValueID();
@@ skipping 6225 matching lines @@
 
         if (TryInlineBuiltinFunctionCall(expr, false)) {  // Nothing to drop.
           if (FLAG_trace_inlining) {
             PrintF("Inlining builtin ");
             expr->target()->ShortPrint();
             PrintF("\n");
           }
           return;
         }
         if (TryInlineCall(expr)) return;
+
+        if (expr->target().is_identical_to(info()->closure())) {
+          graph()->MarkRecursive();
+        }
+
         call = PreProcessCall(new(zone()) HCallKnownGlobal(expr->target(),
                                                            argument_count));
       } else {
         HValue* context = environment()->LookupContext();
         HGlobalObject* receiver = new(zone()) HGlobalObject(context);
         AddInstruction(receiver);
         PushAndAdd(new(zone()) HPushArgument(receiver));
         CHECK_ALIVE(VisitArgumentList(expr->arguments()));
 
         call = new(zone()) HCallGlobal(context, var->name(), argument_count);
@@ skipping 2230 matching lines @@
     }
   }
 
 #ifdef DEBUG
   if (graph_ != NULL) graph_->Verify(false);  // No full verify.
   if (allocator_ != NULL) allocator_->Verify();
 #endif
 }
 
 } }  // namespace v8::internal